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Fewer international students are coming to the US for post-graduate degrees in science and engineering. We look into why.

Also: Cuba has a lung cancer vaccine but many US patients can\\u2019t get it without breaking the law; a tech start-up synthesizes Marco Werman\\u2019s voice; tomato pickers in Florida work together to stop sexual abuse; a bioengineer has a plan to defeat disease-bearing mosquitoes with mobile phones; plus the band Mosquitos releases their first album in 10 years and the buzz is that it\\u2019s great.

(Image: Stanford bioengineer Haripriya Mukundarajan, center, began the Abuzz project after contracting malaria while she was in college. Credit: Kurt Hickman)